gc-imports.ll
3.24 KB
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; RUN: llc -filetype=obj %s -o %t.o
; RUN: yaml2obj %S/Inputs/undefined-globals.yaml -o %t_globals.o
; RUN: wasm-ld --allow-undefined -o %t1.wasm %t.o %t_globals.o
target triple = "wasm32-unknown-unknown"
declare i64 @unused_undef_function(i64 %arg)
declare i32 @used_undef_function()
declare i64 @use_undef_global()
define hidden void @foo() {
entry:
call i64 @unused_undef_function(i64 0)
ret void
}
define hidden void @_start() {
entry:
call i32 @used_undef_function()
call i64 @use_undef_global()
ret void
}
; RUN: obj2yaml %t1.wasm | FileCheck %s
; CHECK: - Type: IMPORT
; CHECK-NEXT: Imports:
; CHECK-NEXT: - Module: env
; CHECK-NEXT: Field: used_undef_function
; CHECK-NEXT: Kind: FUNCTION
; CHECK-NEXT: SigIndex: 0
; CHECK-NEXT: - Module: env
; CHECK-NEXT: Field: used_undef_global
; CHECK-NEXT: Kind: GLOBAL
; CHECK-NEXT: GlobalType: I64
; CHECK-NEXT: GlobalMutable: true
; CHECK-NEXT: - Type:
; CHECK: - Type: CUSTOM
; CHECK-NEXT: Name: name
; CHECK-NEXT: FunctionNames:
; CHECK-NEXT: - Index: 0
; CHECK-NEXT: Name: used_undef_function
; CHECK-NEXT: - Index: 1
; CHECK-NEXT: Name: _start
; CHECK-NEXT: - Index: 2
; CHECK-NEXT: Name: use_undef_global
; CHECK-NEXT: ...
; RUN: wasm-ld --no-gc-sections --allow-undefined \
; RUN: -o %t1.no-gc.wasm %t.o %t_globals.o
; RUN: obj2yaml %t1.no-gc.wasm | FileCheck %s -check-prefix=NO-GC
; NO-GC: - Type: IMPORT
; NO-GC-NEXT: Imports:
; NO-GC-NEXT: - Module: env
; NO-GC-NEXT: Field: unused_undef_function
; NO-GC-NEXT: Kind: FUNCTION
; NO-GC-NEXT: SigIndex: 0
; NO-GC-NEXT: - Module: env
; NO-GC-NEXT: Field: used_undef_function
; NO-GC-NEXT: Kind: FUNCTION
; NO-GC-NEXT: SigIndex: 1
; NO-GC-NEXT: - Module: env
; NO-GC-NEXT: Field: unused_undef_global
; NO-GC-NEXT: Kind: GLOBAL
; NO-GC-NEXT: GlobalType: I64
; NO-GC-NEXT: GlobalMutable: true
; NO-GC-NEXT: - Module: env
; NO-GC-NEXT: Field: used_undef_global
; NO-GC-NEXT: Kind: GLOBAL
; NO-GC-NEXT: GlobalType: I64
; NO-GC-NEXT: GlobalMutable: true
; NO-GC-NEXT: - Type:
; NO-GC: - Type: CUSTOM
; NO-GC-NEXT: Name: name
; NO-GC-NEXT: FunctionNames:
; NO-GC-NEXT: - Index: 0
; NO-GC-NEXT: Name: unused_undef_function
; NO-GC-NEXT: - Index: 1
; NO-GC-NEXT: Name: used_undef_function
; NO-GC-NEXT: - Index: 2
; NO-GC-NEXT: Name: __wasm_call_ctors
; NO-GC-NEXT: - Index: 3
; NO-GC-NEXT: Name: foo
; NO-GC-NEXT: - Index: 4
; NO-GC-NEXT: Name: _start
; NO-GC-NEXT: - Index: 5
; NO-GC-NEXT: Name: use_undef_global
; NO-GC-NEXT: ...